Dinoflagellates.

Completely agree, Dennis, specially on this:

"unlike the predators, the dinos can encyst and wait for the predators extinction, and then grow to plague proportions without any biological controls"

Almost one month later I am spotting some ostreopsis cells on the microscope. They were gone, but now they are back.

Really? Is your UV still online?
 
So what if we purposely gave ourselves a huge white bacterial bloom and see what the dinos do in that case???
 
Almost one month later I am spotting some ostreopsis cells on the microscope. They were gone, but now they are back.

Hmm, it will be interesting to see if the dinos are kept in check by the introduced organism, or if you are in for another round of dinos having the upperhand. Are you still seeing the protists in your samples with the dinos?

I would suspect that dinos are in most tanks, and only become an issue when the situation presents allowing them to bloom into plague proportions. So having (some) dinos may be a good thing, otherwise the dino predators may go the way of a nudi that runs out of aiptasia.

I would also suspect that it may be like looking for a needle in a haystack. Unless you can happen on a dino being vigorously attacked in a sample, it would be very hard to find the right organism. Even a 100 Gal tank would be like looking at a 40,000 gal tank when using a 400x magnification. :)

Dennis
 
Yes, I can see the protist but in small quantities.

Throwing the skimmate back to the tank does not return any noticeable phosphate. I has mainly Ca and Mg precipitates and many many bacterial strains besides nematodes and other small critters.
 
Yes, I can see the protist but in small quantities.

That is great! Now you just need to wait to see if your tank stays in balance with the protist keeping the dinos in check long term. Are you still dumping skimmate back into your tank or have you ceased after the dinos were dealt with?

Dennis
 
No. I just dumped the skimmate twice.

Ok, 1 other question that was asked, but I am not sure if it was answered, do you know if the 2Kgs live of live rock you added was fresh or cured?

My tank does not have an issue with dinos, but I know that it is a real problem for a lot of people with complete teardowns often being the end result. So people in the future battling dinos, this *may* be an avenue that you wish to explore (adding a small bit of live rock). If you go this route, the re-addition of aged skimmate to the tank may also be part of the technique that is required for sucess (or it may just speed up what would have transpired eventually).

Please if you do try this, please update this thread with your results so that we can collect feedback if this works in a repeatable fashion.

I would suspect that not all added live rock will have the needed biological controls, especially if it has been hanging around in a LFS for how knows long. So the more reports of sucess or no effect that we can get, the better. Good luck.

Dennis
 
It was fresh live rock, 2 kgs of just arrived rock from Indonesia, wet with no water.

The skimmate was teeming with live, specially bacteria (spiros and cocos) ciliates and many nematodes.
 
ok so listen.... I JUST beat this stuff..... I've been having issues with it for a 3 months in my 200 gallon, i tore down my 90 gallon because of it in the past... i've done black out, no water changes, THE BEST HUSBANDRY, Hydrogen peroxide, etc..... I know i had dino because I confirmed it with a microscope.

a sure way that finally worked for me was this:
I cleaned out as much as i could as possible everyday... didn't do a water change for a month...

then one day i completely cleaned the tank the best i could with turkey basting, netting, etc. i cut the lights and covered my sps tank for 5 solid days. and i dosed FAUNA MARIN ULTRA ALGAE X EXCACTLY... i'm going to say EXACTLY one more time, as the manual describes. after 5 days all the algae was either gone or dead white. i kept dosing ultra algae x for a week after this stuff. it hasn't come back yet but i haven't done a water change either so you never know. i may still be in the boat. but there's literally no signs of it... i dosed after there were no signs as well. i just stopped 4 days ago. so the tank has been clean for 2 weeks
 
ok so listen.... I JUST beat this stuff..... I've been having issues with it for a 3 months in my 200 gallon, i tore down my 90 gallon because of it in the past... i've done black out, no water changes, THE BEST HUSBANDRY, Hydrogen peroxide, etc..... I know i had dino because I confirmed it with a microscope.

a sure way that finally worked for me was this:
I cleaned out as much as i could as possible everyday... didn't do a water change for a month...

then one day i completely cleaned the tank the best i could with turkey basting, netting, etc. i cut the lights and covered my sps tank for 5 solid days. and i dosed FAUNA MARIN ULTRA ALGAE X EXCACTLY... i'm going to say EXACTLY one more time, as the manual describes. after 5 days all the algae was either gone or dead white. i kept dosing ultra algae x for a week after this stuff. it hasn't come back yet but i haven't done a water change either so you never know. i may still be in the boat. but there's literally no signs of it... i dosed after there were no signs as well. i just stopped 4 days ago. so the tank has been clean for 2 weeks

I wish I had the time to do this to my tank. Full time student by night (MBA), stay at home dad by morning and early afternoon, part time work, and several other tanks, pets, wife, house duties.

I wish there was an easier solution! :D
 
I wish I had the time to do this to my tank. Full time student by night (MBA), stay at home dad by morning and early afternoon, part time work, and several other tanks, pets, wife, house duties.

I wish there was an easier solution! :D

It took 1 hour to clean it once and only once. 30 minutes to wrap once it and 3 minutes every other day to dose medicine..... How is that hard
 
It took 1 hour to clean it once and only once. 30 minutes to wrap once it and 3 minutes every other day to dose medicine..... How is that hard

1) I don't have time to sleep, let alone take apart an entire tank and **** off the inhabitants. Literally, I eat in to my sleep time for my daddy daycare time, work, and full time graduate school. Not enough hours in the day. On weekends, I am on full-time baby duty because the wife works. Have you tried to take apart a tank with a 10 month old?

2) I can dose every day no issue.
 
ok so listen.... I JUST beat this stuff..... I've been having issues with it for a 3 months in my 200 gallon, i tore down my 90 gallon because of it in the past... i've done black out, no water changes, THE BEST HUSBANDRY, Hydrogen peroxide, etc..... I know i had dino because I confirmed it with a microscope.

a sure way that finally worked for me was this:
I cleaned out as much as i could as possible everyday... didn't do a water change for a month...

then one day i completely cleaned the tank the best i could with turkey basting, netting, etc. i cut the lights and covered my sps tank for 5 solid days. and i dosed FAUNA MARIN ULTRA ALGAE X EXCACTLY... i'm going to say EXACTLY one more time, as the manual describes. after 5 days all the algae was either gone or dead white. i kept dosing ultra algae x for a week after this stuff. it hasn't come back yet but i haven't done a water change either so you never know. i may still be in the boat. but there's literally no signs of it... i dosed after there were no signs as well. i just stopped 4 days ago. so the tank has been clean for 2 weeks

Hi Zack!

What kind of dinoflagellate did you have? There are many kinds, I know it works in some cases but I tried two months ago to get rid of my ostreopsis problem with no results at all.

This product only works with some kind of dinos, the same thing as Dinoxal.
 
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